drm/nouveau/bios: check for null script pointers in parser
Allows us to be lazy elsewhere...
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 58d8c85..528fb60 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -3771,6 +3771,10 @@
int count = 0, i, ret;
uint8_t id;
+ /* catch NULL script pointers */
+ if (offset == 0)
+ return 0;
+
/*
* Loop until INIT_DONE causes us to break out of the loop
* (or until offset > bios length just in case... )